General troubleshooting 4-7
Clearing bubbles from the flow cell
To clear bubbles from the flow cell:
Establish liquid flow through the detector flow cell with degassed
acetonitrile or methanol at a flow rate that is anticipated to be used for
subsequent analysis.
Detector troubleshooting
The following table contains general hardware troubleshooting for the
detector.
Flashing red Indicates an error stopped the detector.
Information regarding the error that caused the
failure can be found in the console log.
See also: 2998 PDA Detector online Help
Constant red Indicates a detector failure that prevents further
operation. Power-off the detector, and then
power-on. If the LED is still steady red, contact
your Waters service representative.
PDA detector troubleshooting
Symptom Possible cause Corrective action
Both LEDs unlit No power 1. Inspect line cord
connections.
2. Test electrical outlet
for power.
Open (spent) or
defective fuse
Replace fuse (see
page 3-10.
Lamp LED indications (Continued)
LED mode and color Description
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